Hybrid breakdown is a postzygotic barrier where second-generation hybrids are feeble or sterile, even though first-generation hybrids are viable and fertile.
La dégradation hybride est une barrière postzygotique où les hybrides de deuxième génération sont faibles ou stériles, malgré la viabilité et la fertilité des hybrides de première génération.
Text | Hybrid breakdown (postzygotic biological barrier) is when second-generation hybrids are feeble or sterile, even though first-generation hybrids are viable and fertile. |
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